Its signicand value is and its exponent value is the

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ould consist of the bit pattern ½¼½ followed by one hundred ¼’s. Instead, we would like to represent numbers in a form Ü ¢ ¾Ý by giving the values of Ü and Ý . The IEEE floating point standard represents a number in a form Î ´ ¢Å ¢ ½µ × ¾ : ), where the interpre- ¯ ¯ ¯ ¯ ¯ ¯ The sign × determines whether the number is negative (× ½) or positive (× tation of the sign bit for numeric value 0 is handled as a special case. ¼ The significand Å is a fractional binary number that ranges either between ½ and ¾ ¯ or between ¼ and ½ ¯. The exponent weights the value by a (possibly negative) power of two. The bit representation of a floating-point number is divided into three fields to encode these values: The single sign bit s directly encodes the sign ×. The -bit exponent field exp The Ò-bit fraction field frac Ò ½ ¡ ¡ ¡ ½ ¼ encodes the significand Å , but the value encoded also depends on whether or not the exponent field equals 0. ½ ¡ ¡ ¡ ½¼...
View Full Document

This note was uploaded on 09/02/2010 for the course ELECTRICAL 360 taught by Professor Schultz during the Spring '10 term at BYU.

Ask a homework question - tutors are online